and a nobel prize. >> the role of the u.s. changing, something we need to address as americans. and i set out to try to discover how these multiple revolutionary changes are interrelating one with another. and what choices they pose to us, how we really have to get involved in steering our way into the future. and choosing options that can make it better than it otherwise might be. >> a conversation with al gore, next. funding for charlie rose was provided by the following: captioning sponsored by rose communications from our studios in new york city, this is charlie rose. al gore grew newspaper tennessee and lived in washington d.c. the son of a united states senator. he then went to harvard, went back to tennessee, became a congressman and then a senator, then vice president and inn 2,000 he ran for president and he lost. then after some soul-searching he began to decide what he wanted to do. he was an environmental activist and for that work in 2007 he won an oscar for his documentary, an inconvenient truth. that year he also won the nobel peace prize. his latest book is called "the futuri